Related Experiment Video
Updated: May 4, 2026
12:21
Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators
Published on: April 4, 2016
11.7K
Self-Injection Locking Dynamics with Raman Actions in Aluminum Nitride Microresonators
Yulei Ding1, Yifei Wang1, Shunyu Yao1
1Tsinghua University, State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Beijing 100084, China.
Physical Review Letters
|September 15, 2025
Summary
This study demonstrates nonlinear self-injection locking (SIL) in aluminum nitride (AlN) microcavities, enabling stimulated Raman lasers (SRLs) and microcombs for advanced photonic integrated circuits.
Area of Science:
- Photonics
- Materials Science
- Nonlinear Optics
Background:
- Self-injection locking (SIL) purifies laser noise and enables nonlinear optical phenomena.
- Advancing integrated photonics requires nonlinear SIL in novel material platforms.
Purpose of the Study:
- Demonstrate nonlinear SIL in AlN microcavities.
- Investigate stimulated Raman lasers (SRLs) and microcomb generation.
- Explore AlN as a platform for nonlinear integrated photonics.
Main Methods:
- Utilized AlN microcavities for nonlinear SIL.
- Achieved SRL emission and microcomb generation.
- Analyzed Kerr effect-mediated stimulated emissions and thermal dynamics.
Main Results:
- Demonstrated SRL emission with >10 mW output power and <70 Hz linewidth at 1750 nm.
- Observed Kerr effect-induced second-Stokes and anti-Stokes emissions.
- Enabled GHz-level frequency sweeps via multi-timescale thermal relaxations.
- Generated a Stokes platicon microcomb state with coemission.
Conclusions:
- AlN microcavities support nonlinear SIL, SRLs, and microcombs.
- Hybrid-integrated crystalline microresonators are versatile for nonlinear photon-phonon interactions.
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